Rajasthant RSMSSB Salt Inspector Paper 2019

RSMSSB Salt Inspector 2019 Paper
Exam Date – 22nd Dec 2019 Duration – 3 hours

The metal used as a catalyst in the conversion of alkene to aldehyde in hydroformylation reaction is
(a) Co
(b) Ni
(c) Pd
(d) Cu

Which of the following solutions will have lowest pH?
(a) 1.0 M CH3COOH
(b) 1.0 M HCOOH
(c) 1.0 M HNO3
(d) 1.0 M HCN

The e/m ratio is highest for unipositive
(a) hydrogen
(b) helium
(c) neon
(d) argon

Under IUPAC nomenclature, ethylene glycol will be named as
(a) ethane-1,2 diol
(b) 1-hydroxy-2-ethanol
(c) 1,2-dihydroxy ethane
(d) 1-hydroxy-1-ethanol

Among the following molecules, which one has the least surface tension?
(a) Xylene
(b) Acetic acid
(c) Benzene
(d) Diethyl ether

For the titration of HCOOH and KOH, which of the following indicator is most suitable?
(a) Phenolphthalein
(b) Methyl orange
(c) Cresol red
(d) Thymol blue

Which of the following is not liquid at or just above room temeprature?
(a) Hg
(b) Ge
(c) Ga
(d) Cs

Which of the following represents correct increasing order of electron affinities for boron, carbon, nitrogen and oxygen?
(a) O>C<B>N
(b) N<C<BO
(c) N<B<C<O
(d) O<B>N<C

What is the volume (in litre) of 4.4 gram of CO2 at S.T.P.?
(a) 44.8
(b) 22.4
(c) 4.48
(d) 2.24

If a person is injured by the shot of a gun and all the pellets could not be removed, it may cause poisoning by
(a) Hg
(b) Pb
(c) Fe
(d) As

The order of intermolecular forces of liquids A,B and C is A<B<C. Which of the following statements is TRUE?
(a) B vapourises more quickly than A
(b) B vapourises with less ease as compared to C
(c) A and B, both vapourise at equal rate
(d) A vapourises more quickly than C

Which pair of the following statement is correct?
(1) Surface tension decreases when temperature increases
(2) Surface tension decreases when temperature decreases
(3) Surface tension is maximum at the critical temperature
(4) Surface tension vanishes at the critical temperature
(a) (1) and (2)
(b) (2) and (3)
(c) (3) and (4)
(d) (4) and (1)

In metal oxide, 20% (by weight) is oxygen. The equivalent weight of metal is
(a) 32
(b) 40
(c) 64
(d) 72

The presence of ionic salts in liquid
(a) decreases the viscosity of the liquid
(b) increases the viscosity of the liquid
(c) does not affect the viscosity of the liquid
(d) none of the above is correct

In a hexagonal closest packing in two layers one above the other, the coordination number of each sphere will be
(a) 4
(b) 6
(c) 8
(d) 9