periodic table / chemical bonding Online Test

7

Acetaldehyde reacts with sodium bisulphite gives adduct due to:


6.

The reaction of ethene with hydrogen halide form 1-halo ethane due to:


5.

Acetone reacts with sodium cynide gives addition product due to :


3. LUCAS REAGENT IS


2 THE REACTION .

IS WELL KNOWN AS


3. The reaction

HCHO + HCHO ------------------>

50% NaOH

HCOONa + CH3OH

IS CALLED AS


5. nitration of alkane is

1.free radical mechanism

2.nucleophilic substitution

3.electrophilic addition

4.nucleophilic addition


1.Tth reaction

is called as


6. nitration of benzen is:

1.freeradical mechanism

2.electro philic addition reaction

3.electrophilic substitution reaction

4.none of these


2.NUCLEOPHILIC ADDITION

3. FREE RADICAL MECHANISM REACTION

1.ELIMINATION REACTION


* which of the following element could not be classified by havoisier ?


*

According to prout an element does not have atomic weight like


* which of the following pair follows Dobereiner law


Which of the following pair of element occupy peak position in atomic volume curve ?


The properties of boron are similar to --


* write down the iupac name of the element comes after the element having Z = 115


* 1. The periodic which contain all element in gaseous state is the..................... period

2. Group contains all element in gaseous state ...................?

3.Total number of gaseous element ......................................?

4 Total number of liquid element ............................................?


* The screening / sheilding effect can be caculated by this tips-

= [(no. of e- in nth shell - 1)x0.35 + no. of e- in (n-1)x0.85 + no. of e- in (n-2) & all inner shell x 1.0]


* The

value of Cl is

-------

17 Cl . 1s2 ,2s2, 2p6, 3s2,3p5

-----------

------------

n-2

n-1

n

6x0.35+8x0.85+2x1.0

= ?


* The formula for Zeff = atomic no.-


* Zeff of Cl is


* If covalent radii of sodium is 1.73 then metallic radii of sodium


* If the radius of fluorine is 0.93 A then radius of neon will be ---






























































Description:

periodic table / chemical bonding

Discussion

Shashank

another rubbish test.there are no questions of chemical bonding.besides the test does not contain the right options.the author should improve his concepts.really very disgusting test.all questions are rubbish.

2095 days 8 hours 23 minutes ago

devapi

itz a defected test....dont try it.......

4019 days 10 hours 17 minutes ago

Your Facebook Friends on WizIQ

More Tests By Author

CHEMISTRY
36 Questions | 70 Attempts

organic reaction
10 Questions | 33 Attempts

organic chemistry
5 Questions | 922 Attempts