chemistry Question Bank - Sarthaks eConnect

Equilibrium constant for the given reaction will be

`aA ⇌ bB + cC`

(Note: a, b & c are minimum integral stoichiometric coefficients )

1 mol of an ideal gas undergoes adiabatic expansion from ( 5 litre, 300K) to (10 litre, 200K) against constant external pressure of 10 bar. Work done equals to-

Correct statement is-

Wavelength of photon emited when an electron in H-atom jumps from an orbital having 2 angular nodes with one spherical node to an orbital having total 1 node is-

Units of molar conductivity `(A_m)` is-

Which is a saline oxide

Sulphurous anhydride is

Paramagnetic molecule is

Bleaching action of `SO_2` is due to

The correct order of bond angles in `H_2S,NH_3 ,BF_3` and `SiH_4` is

Poison for platinum, a catalyst in contact process of `H_2SO_4` is

`NH_3` gas is dried over

`H_3PO_2` has the name and basicity respectively

Nitric acid whether diluted or concentrated

Which is not correct for white phosphorus ( P4 )

Which member of group 13 is liquid at 30 C

Alumina is ........... in nature

Gypsum on heating at 120 130 C gives

Mortar is a mixture of

Epsom salt or epsomite is

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