In which of the following, NH₃ is not used?

(a)

Nessler's reagent

(b)

Reagent for the analysis of IV group basic radical

(c)

Reagent for the analysis of III group basic radical

(d)

Tollen's reagent

Which is true regarding nitrogen?

(a)

least electronegative element

(b)

has low ionisation enthalpy than oxygen

(c)

d- orbitals available

(d)

ability to form pπ-pπ bonds with itself

In the brown ring test, brown colour of the ring is due to _______.

(a)

a mixture of No and NO₂

(b)

Nitroso ferrous sulphate

(c)

Ferrous nitrate

(d)

Ferric nitrate

On hydrolysis, PCl₃ gives________.

(a)

H₃PO₃

(b)

PH₃

(c)

H₃PO₄

(d)

POCl₃

P₄O₆ reacts with cold water to give _______.

(a)

H₃PO₃

(b)

H₄P₂O₇

(c)

HPO₃

(d)

H₃PO₄

Among the following, which is the strongest oxidizing agent?

(a)

Cl₂

(b)

F₂

(c)

Br₂

(d)

l₂

The correct order of the thermal stability of hydrogen halide is_______.

(a)

HI > HBr > HCl > HF

(b)

HF > HCl > HBr > HI

(c)

HCl > HF > HBr > HI

(d)

HI > HCl > HF > HBr

Which one of the following compounds is not formed?

(a)

XeOF₄

(b)

XeO₃

(c)

XeF₂

(d)

NeF₂

Most easily liquefiable gas is _______.

(a)

Ar

(b)

Ne

(c)

He

(d)

Kr

XeF₆ on complete hydrolysis produces________.

(a)

XeOF₄

(b)

XeO₂F₂

(c)

XeO₃

(d)

XeO₂

Which of the following is correct?

(a)

H₃PO₃ is dibasic and reducing

(b)

H₃PO₃ is dibasic and non-reducing

(c)

H₃PO₄ is tribasic and reducing

(d)

H₃PO₃ is tribasic and non-reducing

Catenation property of group 15 elements, follow the order _______.

(a)

N < P < As < Sb < Bi

(b)

P >> N > As > Sb > Bi

(c)

P < N < As < Sb < Bi

(d)

N>> P > As > Sb > Bi

Which of the following halides of group 15 is not hydrolysed?

(a)

NF₃

(b)

PF₃

(c)

NI₃

(d)

Both (a) and (b)

Which is dibasic?

(a)

Orthophosphoric acid

(b)

Pyrophosphoric acid

(c)

Orthophosphorus acid

(d)

Hypophosphorous acid

The hybridisation and shape of SF₆ is respectively?

(a)

sp³d², square planar

(b)

sp³d², octahedral

(c)

sp³d see-saw

(d)

sp³d, trigonal bipyramidal

XeF₆

(1)

Square planar

XeO₃

(2)

Linear

XeOF₄

(3)

Pyramidal

XeF₄

(4)

Square Pyramidal

AX

(5)

Distorted Octahedral