100 cm of a given sample of H₂O₂ gives 1000 cm³ of O₂ at STP. The given sample is
100 cm of a given sample of H₂O₂ gives 1000 cm³ of O₂ at STP. The given sample is
Options
(a) 10% H₂O₂ (b) 90% H₂O₂ (c) 10 volume H₂O₂ (d) 100 volume […]
Chemistry
Which one of the following compounds on nitration easily produces nitro derivative
Which one of the following compounds on nitration easily produces nitro derivative
Options
(a) C₆H₆ (b) C₆H₅NO₂ (c) C₆H₅CH₃ (d) C₆H₅OCH₃
Correct Answer:
C₆H₅OCH₃
Explanation:
No explanation available. Be the first to write […]
certain crystals produce electric signals on application of pressur.This phenomenon
certain crystals produce electric signals on application of pressur.This phenomenon is called
Options
(a) pyroelecricity (b) ferroelectricity (c) piezoelectricity (d) ferrielectricity
Correct Answer:
piezoelectricity
Explanation:
No explanation available. Be the first to write […]
A gas decolourised by KMnO₄ solution but gives no precipitate with ammoniacal cuprous
A gas decolourised by KMnO₄ solution but gives no precipitate with ammoniacal cuprous chloride is
Options
(a) ethane (b) methane (c) ethen (d) acetylene
Correct Answer:
acetylene
Explanation:
No explanation available. Be the […]
Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic
Vapour density of a metal chloride is 77. If its equivalent weight is 3, its atomic weight will be
Options
(a) 9 (b) 6 (c) 3 (d) 12
Correct Answer:
12
Explanation:
No […]
What will be the correct relationship between free energy and equilibrium constant K
What will be the correct relationship between free energy and equilibrium constant K of a reaction?
Options
(a) ∆G = -RT ln K (b) -∆G = 0 (c) ∆G = -RT⁻¹ ln K […]
If the manufacture of bromine from sea water, the mother liquor containing bromides
If the manufacture of bromine from sea water, the mother liquor containing bromides is treated with
Options
(a) CO ₂ (b) I₂ (c) Cl₂ (d) H₂O
Correct Answer:
Cl₂
Explanation:
No explanation available. […]
The coordination number and oxidation number of X in the following compound [X(SO₄)(NH₃)₅]Cl
The coordination number and oxidation number of X in the following compound [X(SO₄)(NH₃)₅]Cl will be
Options
(a) 10 and 3 (b) 2 and 6 (c) 6 and 3 (d) 6 and 4
Correct […]
At when pressure will a quantity of gas, which occupies 100 mL at a pressure of 720 mm
At when pressure will a quantity of gas, which occupies 100 mL at a pressure of 720 mm, occupy a volume of 84 mL
Options
(a) 820.20 mm (b) 784.15 mm (c) 736.18 […]
The amount of electricity requried to deposit 0.9 g of aluminium, when the electrode
The amount of electricity requried to deposit 0.9 g of aluminium, when the electrode reaction is Al³⁺ + 3e⁻ → Al
Options
(a) 9.65 ˣ 10⁴ C (b) 1.93 ˣ 10⁴ C (c) […]