Boron and Carbon Family Questions

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

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

Iron carbonyl, Fe(CO)5 is

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

Cross link in silicone can be induced with :-

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′

Which one is not an element :-

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

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...

In metal carbonyl these is :-

Hydrocarbon (A) of molecular formula C4H6 gives white ppt with Tollen′s reagent. (B) is the isomer of (A). One mole of (B) picks up one mole of bromine to form 1,4-dibromo-2-butene. Thus (A) and...

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

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. ...