Main Group Elements - Chemistry MCQ

Reaction of S₄N₄ with metallic potassium or sodium leads to formation of

Reaction of B₂H₆ with Na/Hg leads to formation of​

The formula and type of above borate is 

Number of cluster electron pair in [In₄Bi₅]^3- is ________

The number of Banana bond in B₅H₉ is _____

³¹P NMR spectrum of cation shows _____doublet of equal intensity

Number of species paramagnetic in nature is/are______

Hydrolysis of P₂X₄ produces an acid which have basicity _________

Electrophilic substitution reaction of terminal H atom attached to B in closo-1, 2 C₂B₁₀H₁₂ follow the sequence

The correct statement regarding P is/are
(I) electrical conductivity decreases with increase in temperature
(II) M-graphite compounds are coloured.
(III) Mechanism of conductivity in M-graphite complexes are similar to conductivity in n-type semiconductors.
(IV) In product planarity and delocalization of layers are retained.

Match Column-A (species) with Column-B (properties related to species)

Correct statement regarding A is/are
(1) It has T-shaped structure
(2) ¹²⁹Xe NMR spectrum show a triplet
(3) ¹⁹F NMR spectrum show four signal
(4) It has TBP geometry

Correct statement regarding A and B are
(1) A is very strong oxidising agent

(4) B is strong oxidising agent.

In the above reaction A and B respectively are 

Correct statement regarding C₆₀ is/are
(1) It has Ih point group
(2) Its satisfies IPR
(3) It has two kind of C–C bond length
(4) It is more reactive than graphite

CH3Cl + Si + HCI → (A) 
The (C) is

Number of framework electron in carbonanes C₂B₅H₇ is ________