NEET Chemistry Chapter Wise Mock Test – General Chemistry
Correct set of four quantum numbers for valence electron of rubidium (Z = 37) is
Four diatomic species are listed below in different sequences. Which of these represents the correct order of their increasing bond order?
The de-Broglie waveleng of an electron accelerated by a potential difference of V’ volts is given by the relation
Number of spectral lines of Lyman series of electron when it jumps from 6 to first level (in Lyman series) is
Cortisone is a molecular substance containing 21 atoms of carbon per molecule. The mass percentage of carbon in cortisone is 69.98%. Its molar mass is
A metal forms two oxides. The higher oxide contains 20% oxygen, while 4.29 g of lower oxide when converted to higher oxide becomes 4.77 g. The equivalent weight of metal in the two oxides lower and higher respectively are
(a) 32 and 48
(b) 48 and 32
(c) 64 and 32
(d) same equivalent weight for both, i.e. 32
The equivalent weight of an element is 4. Its chloride has VD 59.25. Then the valency of the element is
Group 15th of the periodic table consists of the elements N, P, As, Sb and Bi. On moving from N to Bi, the oxides of the elements of general formula M203 become
(a) stronger reducing agent
(b) more ionic
(c) more volatile
(d) more basic
Inhaled air contains 02 at a pressure of 160 torr. The capacity of a human lung is about 3.0 L. Body temperature is 37°C. the mass of 02 filling a lung upon respiration is
(a) 8 g
(b) 0.80 g
Carbon disulphide is an example of
(a) ionic liquid
(b) H-bonded liquid
(c) polar liquid
(d) non-polar liquid
An ideal gas obeying kinetic gas equation can be liquefied if
(a) its temperature is more than critical temperature
(b) its pressure is more than critical pressure . .
(c) its pressure is more than critical pressure but temperature is less than critical temperature
(d) it cannot be liquefied at any value of p and T
Four elements A, B, C, D have atomic numbers Z-1,Z + 1,Z-2 and Z + 2 respectively. If Z is 9 then bond between which pair of elements will be ionic?
(a) A and C
(b) D and C
(c) D and 6
(d) B and C
Arrange S, O and Se in the ascending order of electron affinity
(a) Se < S< 0
(b) Se < O < S
(c) S < O < Se
(d) S < Se < O
Gradual addition of electronic shells in the noble gases causes a decrease in their
(a) ionisation energy
(b) atomic radius
(c) boiling point
Direction (Q. Nos. 37-38) In the following questions more than one answer‘s given may be correct. Select the answers and mark it according to the codes.
(a) 1,2 and 3 are correct
(b) 1 arid 2 are correct
(c) 2 and 4 are correct
(d) 1 and 3 are correct
A bivalent metal ion has equivalent mass of 12. Then,
(a)equivalent mass of its oxide is 20
(b)molar mass of its oxide is 40
(d)molar mass of its hydride is 25
Direction (Q. NOS. 40-41) Each of these questions contains two statements : Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.
(a) Assertion is true, Reason is true; Reason is the correct explanation for Assertion
(b) Assertion is true, Reason is true; Reason is not the correct explanation for Assertion
(c) Assertion is true, Reason is false
(d) Assertion is false, Reason is true
Assertion Most probable velocity is the velocity possessed by maximum fraction of molecules at the same temperature.
Reason On collision, more and more molecules acquire higher speed’ at the same temperature.
Assertion Compressibility factor for hydrogen varies with pressure with positive slope at all pressures.
Reason Even at low pressure, repulsive forces dominates in hydrogen gas.
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