Online NAT IM Pre Medical Chemistry Test Preparation for Pakistani Students

NAT I Medical Chemistry

Sr. #	Questions	Answers Choice
1	The number of unpaired electrons in the P-subshell of oxygen atom	1 2 3 4
2	Ozone is not	An allotrope A powerful oxidizing agent Paramagnetic A bent molecule
3	Which of the following is acidic?	SO<sub>3</sub> N<sub>2</sub>O BeO HgO
4	Which of the following fluorides does not exist?	NF<sub>5</sub> PF<sub>5</sub> AsF<sub>5</sub> SbF<sub>5</sub>
5	Which one of the following compounds does not exist?	NCI<sub>5</sub> AsF<sub>5</sub> SbCI<sub>5</sub> PF<sub>5</sub>
6	BiCI₃ on hydrolysis forms a white precipitate of	<span style="font-size: 14.44444465637207px;">Bismuthio is acid</span> <span style="font-size: 14.44444465637207px;">Bismuth oxychloride</span> <span style="font-size: 14.44444465637207px;">Bismuth pentachloride</span> <span style="font-size: 14.44444465637207px;">Bismuth hydroxide</span>
7	Phosphide ion has the electronic structure similar to that of	Nitride ion Fluoride ion Sodium ion Chloride ion
8	Which one of the following elements occurs free in nature?	* N* P As Sb