Permanganate ion changes to ….. in acidic medium
Permanganate ion changes to ….. in acidic medium
Options
(a) MnO₄²⁻ (b) Mn²⁺ (c) Mn³⁺ (d) MnO₂
Correct Answer:
Mn²⁺
Explanation:
No explanation available. Be the first to write the explanation for […]
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The acidic, basic or amphoteric nature of Mn₂O₇, V₂O₅ and CrO are respectively
The acidic, basic or amphoteric nature of Mn₂O₇, V₂O₅ and CrO are respectively
Options
(a) acidic, acidic and basic (b) basic,amphoteric and acidic (c) acidic,amphoteric and basic (d) acidic , basic and amptoteric
Choose the incorrect statement in respect of physisorption
Choose the incorrect statement in respect of physisorption
Options
(a) It is not specific in nature (b) It arises because of van der Waal’s forces (c) It is reversible in nature (d) Enthalpy […]
Which one of the following is correctly matched
Which one of the following is correctly matched
Options
(a) Emulsion-smoke (b) Gel-butter (c) Aerosol-hair cream (d) Sol-whipped cream
Correct Answer:
Gel-butter
Explanation:
No explanation available. Be the first to write the explanation […]
For a first order reaction, the time taken to reduce the initial concentration
For a first order reaction, the time taken to reduce the initial concentration by a factor of 1/4 is 20 minutes. The time required to reduce initial concentration by a factor of 1/16 is
Which one of the following has the highest molar conductivity
Which one of the following has the highest molar conductivity
Options
(a) Diamminedichloroplatinum (II) (b) Tetraamminedichlorocobalt (III) chloride (c) Potassium hexacyanoferrate (II) (d) Hexaaquochromium (III) chloride
Correct Answer:
Potassium hexacyanoferrate (II)
Explanation:
No […]
Acting binding sites are located on
Acting binding sites are located on
Options
(a) troponin (b) tropomyosin (c) both tropomyosin and meromyosin (d) both troponin and tropomyosin
Correct Answer:
both tropomyosin and meromyosin
Explanation:
No explanation available. Be the […]
Gene amplification using primers can be done by
Gene amplification using primers can be done by
Options
(a) Microinjection (b) ELISA (c) Polymerase chain reaction (d) Gene gun
Correct Answer:
Polymerase chain reaction
Explanation:
No explanation available. Be the first to […]
Which of the following alcohols gives the best yield of dialkyl ether on being
Which of the following alcohols gives the best yield of dialkyl ether on being heated with a trace of sulphuric acid
Options
(a) 2-Pentanol (b) Cyclopentanol (c) 2-Methyl-2-butanol (d) 1-Pentanol
Correct Answer:
1-Pentanol
Excess nitrate in drinking water can cause
Excess nitrate in drinking water can cause
Options
(a) methemoglobinemia (b) kidney damage (c) liver damage (d) laxative effect
Correct Answer:
methemoglobinemia
Explanation:
No explanation available. Be the first to write the explanation […]