Practise online Get the app

Paper 3 · June 2009 · Organic Chemistry

What are the products of complete combustion of silane?

ASi and

H_2O

B

SiO

and

H_2O

C

SiO_2

and

H_2O

D

SiO_2

and

H_2

Explanation

The marking scheme gives answer C. Complete combustion of silane (

SiH_4

):

SiH_4 + 2O_2 \to SiO_2 + 2H_2O

.

ZIMSEC Chemistry Paper 3, June 2009, Q6

View this paper's sittings and topics→

More questions from this paper

What changes in oxidation numbers take place when copper reacts with concentrated nitric acid to give a blue solution and a brown acidic gas?
A research student performed a constant current electrolysis of silver solution using a carbon electrode as the cathode. The electrolysis was allowed to proceed for 0.25 hours at a limiting current of 1.25 A. What is the mass of silver deposited?
Which ion is least polarising?
Which statement always applies to an electrophile?
Element X forms a chloride which is hydrolysed by water to form an acidic solution. Oxide of X reacts with an acid to form a salt. What is X?

Get the full paper, not just one question

Danho has every sitting for this paper, with your progress tracked question by question, offline.

Get it on Google Play Download on the App Store