Boron and Carbon Family Questions

Which of the following reagents would distinguish cis-cyclopenta-1, 2-diol from the trans-isomer ?

Iron carbonyl, Fe(CO)5 is

In which of the following compounds, then C - Cl bond ionisation shall give most stable carbonium ion?

The correct statement(s) for orthoboric acid is/are

Which one is not an element :-

In the isolation of metals, reaction process usually results in :

In A+B- ionic compound radii of A+ and B- ions are 180 pm and 187 pm respectively. The crystal structure of this compound will be :-...

On heating to 400-500oC relatively unstable hydrides and carbonates decompose. Which of the following will decompose when heated to 400-500oC ?

Cgraphite + HNO3(conc.) → ′P′ : How many π bond present in product ′P′

In metal carbonyl these is :-

Cross link in silicone can be induced with :-

The thermal stability of II A carbonate is :-

Which one of the following reaction will not produce hydrocarbon as final product :-

The dissociation of ammonium carbomate may be represented by the equation NH4COONH2(s) ⇋ 2NH3(g) + CO2(g)The equilibrium will shift from left to right if there is ?...

A compound of boron X reacts at very high temperature with NH3 to give another compound Y. Which is isosteric with benzene. The compound Y is colourless liquid and is highly light sensitive. Its melti...

Calculate the partial pressure of carbon monoxide from the following :-CaCO3(s) ⇋ CaO(s) + CO2 (g) ; KP = 8 × 10-2 CO2(g) + C(s) ⇋ 2CO(g) ; KP = 2...

Which type of hybrid orbitals of carbon and nitrogen involve in the formation of C-N bond in Pyrrole :-

Given below are two statements:Statement I: The number of pairs among [ ${SiO}_{2},{CO}_{2}$ ], $\left\lbrack SnO,{SnO}_{2} \right\rbrack,\left\lbrack PbO,{PbO}_{2} \right\rbrack$ and $\left\lbrack Ge...

From the following, the least stable structure is :

The correct statements from the following are :(A) Ionic radii of trivalent cations of group 13 elements decreases down the group. (B) Electronegativity of group 13 elements decreases down the group. ...