bitsat 2009 quest.1

these r the question i faced in bitsat 2009 on yesterday

1. wat is EDTA
A hexadentate ligand
B bidentate ,,
C tetradentate ,,
D pentadetate ,,

i mark A

2.wat is the denticity of oxalate
A hexadentate
B bidentate
C tetradentate
D pentadetate

i mark B

3. which is true for [Ni(CN)4]2-
A sq. planar & paramagnetic
B tetrahedral & dia.
C sq. planar & dia.
D tetrahed. & para.

i mark C

19 Answers

1
rahul wadhwani ·

P=40 ,C=40,M=45

hey solve this dy/dx = sin(x+y)

i forget the option but i think which i had marked was tan(x+y)-sec(x+y)=x+c i dont give sureity

i was given 4 quest. on differential equation

1
rahul wadhwani ·

but EDTA can behave as tetra dentate too but generally we take hexadentate so i too..

1
°ღ•๓яυΠ·

koi na :P

1
skygirl ·

extremely sorry! i forgot about the nitrogens..
tx mrunal...

1
skygirl ·

3.) C [u are correct]

1
°ღ•๓яυΠ·

na di
edta is hexadentate

1
skygirl ·

denticity of oxalate = bidentate [u are correct]

1
skygirl ·

EDTA is tetra-dented ligand.

1
rahul wadhwani ·

at tat time i differentiated the first option & got the answer see some more quest. in calculus section

1
prateek punj ·

take x+y=t....
and then find dy/dx in terms of dt/dx....and then integrate....

1
prateek punj ·

yaar how many questions were there in english and logical reasoning part and how was maths and physics....

1
JOHNCENA IS BACK ·

3RD........[C]SQ.PLANAR,DIAMAGNETIC

1
JOHNCENA IS BACK ·

2ND..............BIDENTATE........[B]

1
JOHNCENA IS BACK ·

EDTA IS HEXADENTATE....................ANS. FOR FIRST ONE IS [A]

1
prateek punj ·

and for PCM respectively.....

1
rahul wadhwani ·

15 from english 10 from logical

1
prateek punj ·

how many questions were there in english and logical reasoning part....

1
rahul wadhwani ·

i got 356 according to bitsat but i think i will get 5 marks more becoz i told one wrong question and math was easy and physics, chemistry too 4-5 question were came from past iit question but english was very tough and logical was tough and they made me to come down from 400

1
prateek punj ·

i think the ans u have given r right....how much u scored...

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