Which of the following statements is correct for diborane?A. Small amines like `NH_(3), CH_(3)NH_(2)` give unsymmetrical cleavage of diborane.B. Large amines such as `(CH_(3))_(3)N` and pyridine gives symmetrical cleavage of diborane.C. Small as well as large amines both gives symmetrical cleavage of diborane.D. (A) and (B) both

Which of the following statements is correct for diborane?A. Small ami

1.	Which of the following statements is correct for diborane?A. Small amines like `NH_(3), CH_(3)NH_(2)` give unsymmetrical cleavage of diborane.B. Large amines such as `(CH_(3))_(3)N` and pyridine gives symmetrical cleavage of diborane.C. Small as well as large amines both gives symmetrical cleavage of diborane.D. (A) and (B) both
Answer» Correct Answer - D `B_(2)H_(6)+2NH_(3)to [H_(2)B(NH_(3))_(2)]^(+)+[BN_(4)]^(-)` `B_(2)H_(6)+2N(CH_(3))_(3)to2H_(3)B larrN(CH_(3))_(3)`

vii. The stability of dihalides of ` Si, Ge , Sn` and Pb increases steadily in the sequence :A. `GeX_(2) lt SiX_(2) lt SnX_(2) lt PbX_(2)`B. `SiX_(2) lt GeX_(2) lt PbX_(2) lt SnX_(2)`C. `SiX_(2) lt GeX_(2) lt SnX_(2) lt PbX_(2)`D. `PbX_(2) lt SnX_(2) lt GeX_(2) lt SiX_(2)`
When `H_2S` is passed through acidified `KMNO_4`, we getA. `K_(2)SO_(4)`B. `MnO_(2)`C. `KHSO_(3)`D. Sulphur
The`3ClO^(-)(aq.)to ClO_(3)^(-)(aq.)+2Cl^(-)(aq.)` is an example ofA. oxidation reactionB. disproportionationC. reduction reactionD. decomposition
The reaction: `ClO_(3)^(-) +I_(2) to IO_(3)^(-)+Cl_(2)`A. is possibleB. depends upon the state of productsC. is not possibleD. depends upon the temperature
In the reaction: `3Br_(2)+6OH^(Theta)rarr 5Br^(Theta)+BrO_(3)^(Theta)+3H_(2)O,Br_(2)` isA. is reducedB. is oxidizedC. disproportionatesD. disintegrate
`NaClO_(3)` is obtained by reacting `Cl_(2)` andA. cold dil. NaOHB. hot conc. NaOHC. cold `Na_(2)O_(2)`D. hot `Na_(2)O_(2)`
Which of the following is acidic oxides ?A. `HClSO_(4)`B. `MgO`C. `Al_(2)O_(3)`D. `CaO`
Which of the following is more acidic oxyacid ?A. `HClO_(4)`B. `HClO`C. `HClO_(3)`D. `HClO_(2)`
Oxygen orm acidic oxide withA. CaB. NaC. SD. K
Of the following, the most acidic isA. `As_(2)O_(3)`B. `P_(2)O_(3)`C. `Sb_(2)O_(3)`D. `Bl_(2)O_(3)`