Periodic table Quiz-01
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NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions.
About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus.
Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced.
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Q1.
Which one of the following arrangements represents the correct order of electron gain enthalpy (with negative sign) of the given atomic species?
Solution
(b) The correct order of electron gain enthalpy (electron affinity) is O
(b) The correct order of electron gain enthalpy (electron affinity) is O
Q2.
The lattice energy order for lithium halide is:
Solution
(a) Smaller is size of anion, lesser is its polarization, more is ionic nature, more is lattice energy.
(a) Smaller is size of anion, lesser is its polarization, more is ionic nature, more is lattice energy.
Q3.
Which of the following species has a linear shape?
Solution
(a)
(a)
Q4.
If the bond has zero percent ionic character, the bond is:
Solution
(a) Non-polar or pure covalent bond has zero per cent ionic character due to the absence of partial charges on either end.
(a) Non-polar or pure covalent bond has zero per cent ionic character due to the absence of partial charges on either end.
Q5.
The correct order of electron gain enthalpy with negative sign of F, Cl, Br and I, having atomic number 9, 17, 35 and 53 respectively, is
Solution
(a) As we go down the group in Periodic Table, atomic size increases, force of attraction for the added electron decreases, hence electron gain enthalpy decreases. X(g)+e^-→X^- (g) Actual order, Cl>F>Br>I The fact that fluorine has a less electron gain enthalpy than chlorine seems to be due to the relatively greater effectiveness of 2p-electron in the small F-atom to repel the additional electron entering the atom than do 3p-electrons in the larger Cl-atom.
(a) As we go down the group in Periodic Table, atomic size increases, force of attraction for the added electron decreases, hence electron gain enthalpy decreases. X(g)+e^-→X^- (g) Actual order, Cl>F>Br>I The fact that fluorine has a less electron gain enthalpy than chlorine seems to be due to the relatively greater effectiveness of 2p-electron in the small F-atom to repel the additional electron entering the atom than do 3p-electrons in the larger Cl-atom.
Q6.
The electron affinity values for the halogens show the following trend
Solution
(a)
(a)
Q7.
The first ionisation potential (eV) of Be and B respectively are
Solution
(d) First IP of Be > B because of stable ns^2 configuration
(d) First IP of Be > B because of stable ns^2 configuration
Q8.
Ionization potential of Na would be numerically the same as:
Solution
(a) Na→Na^++e;IE of Na=+ve Na^++e→Na; EA of Na^+=-ve Both are equal but opposite in nature.
(a) Na→Na^++e;IE of Na=+ve Na^++e→Na; EA of Na^+=-ve Both are equal but opposite in nature.
Q9.
Beryllium shows diagonal relationship with
Solution
(d) The element of II period show similar properties as the elements of III period, which are diagonally placed to them. This is known as diagonal relationship. Hence, Li shows diagonal relationship with Mg and Be shows diagonal relationship with Al. IInd period IIIrd period
(d) The element of II period show similar properties as the elements of III period, which are diagonally placed to them. This is known as diagonal relationship. Hence, Li shows diagonal relationship with Mg and Be shows diagonal relationship with Al. IInd period IIIrd period
Q10.
The element with the lowest ionisation potential is
Solution
(d) Ionisation potential is the amount of energy requires to remove an electron from an isolated gaseous atom. Since, on moving down the group, the size of atom increases, thus outer electron gets farther and farther away from the nucleus and hence, the less amount of energy is required to remove it. Thus, ionisation potential decreases and hence, Cs has lowest ionisation potential.
(d) Ionisation potential is the amount of energy requires to remove an electron from an isolated gaseous atom. Since, on moving down the group, the size of atom increases, thus outer electron gets farther and farther away from the nucleus and hence, the less amount of energy is required to remove it. Thus, ionisation potential decreases and hence, Cs has lowest ionisation potential.
