Chemistry
Fill in the blanks by choosing the correct answer from the bracket
(a) Carbon tetrachloride is a …………… [polar / non-polar] covalent molecule.
(b) During electrolysis of acidulated water, the gas liberated at the anode is …………… [oxygen / hydrogen].
Related Questions
Identify the following:
(a) An element in period 1 which can be placed in both group 1 and group 17 of the Periodic Table.
(b) The element having electronic configuration 2, 8, 6.
(c) The most electronegative element of period 3.
Rita was given an unknown salt for identification. She prepared a solution of the salt and divided it into two parts.
- To the first part of the salt solution, she added a few drops of ammonium hydroxide and obtained a reddish-brown precipitate.
- To the second part of the salt solution, she added a few drops of silver nitrate solution and obtained a white precipitate.
Name:
(a) the cation present and
(b) the anion present in the salt given for identification.
Ammonia burns in oxygen as shown below.
4NH3 + 3O2 ⟶ 2N2 + 6H2O
If 240 cc of ammonia is burnt in 300 cc of oxygen, find out the composition of the resultant gaseous mixture at room temperature.
The following table shows the electronic configuration of the atoms A, B, C and D.
Element A B C D Electronic configuration 2, 8, 8, 2 2, 6 2, 8, 7 2, 4 (a) Write the formula of the compound formed between:
- A and B
- D and C
(b) Which of the above elements will exhibit catenation?