Which one will give positive iodoform test
Options
(a) Ethanol (b) Propanone (c) 2-Propanol (d) All the above
Correct Answer:
All the above
Explanation:
No explanation available. Be the first to write the […]
Which of the following does not have a metal-carbon bond
Options
(a) Al(OC₂H₅)₃ (b) C₂H₅MgBr (c) K[Pt(C₂H₄)Cl₃] (d) Ni(CO)₄
Correct Answer:
Al(OC₂H₅)₃
Explanation:
No explanation available. Be the first to write the explanation […]
An aqueous solution of CoCl₂ on addition of excess of concentrated HCl turns blue due to formation of
Options
(a) [Co(H₂O)₄Cl₂] (b) [Co(H₂O)₂Cl₄]²⁻ (c) [CoCl₄]²⁻ (d) [Co(H₂O)₂Cl₂]
Correct Answer:
[CoCl₄]²⁻
Explanation:
No explanation […]
The number of moles of KMnO₄ reduced by one mole of KI in alkaline medium is
Options
(a) one (b) two (c) five (d) one fifth
Correct Answer:
two
Explanation:
No explanation available. Be […]
Among the following pairs of ions, the lower oxidation state in aqueous solution is more stable than the other in
Options
(a) TI⁺ , TI³⁺ (b) Cu⁺ , Cu²⁺ (c) Cr²⁺ , Cr³⁺ […]
Which of the following displaces Br₂ from an aqueous solution containing bromide ions
Options
(a) I₂ (b) I⁻₃ (c) Cl₂ (d) Cl⁻
Correct Answer:
Cl₂
Explanation:
No explanation available. Be the first to […]
Nitrous oxide is known as
Options
(a) breathing gas (b) laughing gas (c) exercising gas (d) laboratory gas
Correct Answer:
laughing gas
Explanation:
No explanation available. Be the first to write the explanation […]
In the case of auto catalysis
Options
(a) product catalyses (b) solvent catalyses (c) reactant catalyses (d) heat produced in the reaction catalyses
Correct Answer:
product catalyses
Explanation:
No explanation available. Be the […]
Among the following sols the one which is hydrophobic is
Options
(a) starch (b) sulphur (c) gum (d) gelatin
Correct Answer:
sulphur
Explanation:
No explanation available. Be the first to write the explanation […]
The standard electrode potential is measured by
Options
(a) electrometer (b) voltmeter (c) pyrometer (d) galvanometer
Correct Answer:
voltmeter
Explanation:
No explanation available. Be the first to write the explanation for this question […]
2017 Copyright Doctor Dreams Training Academy