Friday, July 31, 2009

TEST--54--

Q.--8--
Phosgene is common name of
[a] carbon monoxide [b] carbon tetrachloride
[c] thionyl chloride [d] carbonyl chloride

Formula of SUCCESS

Tip--11--F>S>2--Patience + Consistency = SUCCESS

Thursday, July 30, 2009

Formula of SUCCESS

Tip--10--F>S>1--------- Quick Decision + Correct Decision = SUCCESS.
TEST--54--
Q.--7--
Three electron pairs are present on central "C" atom in
[a] carbanion [b] carbocation
[c] free radical [d] none of above

Wednesday, July 29, 2009

Tip--9--Do not prepare HASTELY for CHEMISTRY Exam.
TEST--54--
Q.-6--
Propene treated with HBr gives
[a] n-propyl bromide [b] sec-propyl bromide
[c] iso-propyl bromide [d] 1,2-dibromopropane

Tuesday, July 28, 2009

Tip--8--Read with eyes CLOSED

TEST__54---

Q.--5--Chlorination of methane proceeds through----
[a] electrophilic substitution [b] nucleoohilic substitution
[c] free radical mechanism [d] none of above

Monday, July 27, 2009

TEST-55
Q.4--Chloropicrin is also known as
[a] amino-chloroform [b] nitro-methane
[c] nitro-chloroform [d] nitro-haloform
Tip--7-- Choose study partners who are SERIOUS about LEARNING

Sunday, July 26, 2009

TEST--55

Q.-3.Compound 'A' on hydrolysis gives 'B' which on further reduction gives hexan-2-ol.
Thus Compound 'B' is--
[a] 2,2-dichlorohexane [b] hexan-2-one
[c] hexanal [d]2,3-dichlorohexane
Tip---6-- CRAMING puts the things into your SHORT memory.

Saturday, July 25, 2009

TEST-55
Q.2.--But-1-yne reacts with excess HBr .The product is
[a] 2,2-dibromobutane [b] 1,2-dibromobutane
[c] 2,3-dibromobutane [d] 1,1,2,2-tetrabromobutane
Tip--4-- Mind well the CUMULATIVE nature of CHEMISTRY

Tip--5--Mind well the Interconected nature of CHEMISTRY

Friday, July 24, 2009

TEST-55
Q.1.--Methyl carbocation is isoelectronic with
[a] methane [b] oxygen atom [c] Chloride ion [d] sodium ion
ACADEMIC SUCCESS IN CHEMISTRY
Answer YES or NO of the following questions
Q.1.--Do you always read lecture material before you go to lecture?
Q.2.--Do you go over lecture notes after lecture to rework?
Q.3.--Do you find problem areas from the same lecture material?
Q.4.--Do you work-out the problems at home (home work) without referring books or notes?
Q.5.--Do you discuss the problems regularly with your friends?
Q.6.--Do you rework the problems before the test
Q.7.-- Do you spend some definite time every day for CHEMISTRY study?(Out of class time)
Q.8.--Do you prepare mnemonics for youself to help you to remember facts, reactions & equations etc?
Q.9.--Do you draw mental pictures of concepts discussed ?
Q.10.--Do you have study group to discuss the problems?
Q.11.--Do you work on the material that you have missed before NEXT lecture?
Q.12.--Do you realised that you can still do well on the tests upto this point?
You yourself find the GRADE of your performance
Number of YES responces GRADE
10 or above A
8 - 9 B
5 - 7 C
2 - 4 D
Less than -2 F
YOU CAN CHANGE YOUR GRADE at any time by CHANGING YOUR BEHAVIOR such that more of the above statements are true

Thursday, July 23, 2009

TIP---3---- It is worth REPEATING
TIP---2-- CHEMISTRY is the most VOLATILE subject