Identify the correct statements about alkali metals.
A. The order of standard reduction potential (M$$^+$$ | M) for alkali metal ions is Na > Rb > Li.
B. CsI is highly soluble in water.
C. Lithium carbonate is highly stable to heat.
D. Potassium dissolved in concentrated liquid ammonia is blue in colour and paramagnetic.
E. All the alkali metal hydrides are ionic solids.
Choose the correct answer from the options given below :
Match List I with List II
List-I Type |
List-II Name |
||
---|---|---|---|
A. | Antifertility drug | i) | Norethindrone |
B. | Tranquilizer | ii) | Meprobomate |
C. | Antihistamine | iii) | Seldane |
D. | Antibiotic | iv) | Ampicillin |
Choose the correct answer from the options given below :
Given below are two statements:
Statement I : Pure Aniline and other arylamines are usually colourless.
Statement II : Arylamines get coloured on storage due to atmospheric reduction.
In the light of the above statements, choose the most appropriate answer from the options given below :
Total number of tripeptides possible by mixing of valine and proline is ___________