1
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
The common features among the species CN-, CO and NO+ are
A
bond order three and isoelectronic
B
bond order three and weak field ligands
C
bond order two and $$\pi$$-acceptors
D
isoelectronic and weak field ligands
2
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+1
-0.25
The set representing the correct order of first ionization potential is
A
K > Na > Li
B
Be > Mg > Ca
C
B > C > N
D
Ge > Si > C
3
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
The number of distinct real roots of $$\left| {\matrix{ {\sin x} & {\cos x} & {\cos x} \cr {\cos x} & {\sin x} & {\cos x} \cr {\cos x} & {\cos x} & {\sin x} \cr } } \right|\,$$
$$\, = 0$$ in the interval $$ - {\pi \over 4} \le x \le {\pi \over 4}$$ is
A
0
B
2
C
1
D
3
4
IIT-JEE 2001 Screening
MCQ (Single Correct Answer)
+2
-0.5
The maximum value of $$\left( {\cos {\alpha _1}} \right).\left( {\cos {\alpha _2}} \right).....\left( {\cos {\alpha _n}} \right),$$ under the restrictions
$$0 \le {\alpha _1},{\alpha _2},....,{\alpha _n} \le {\pi \over 2}$$ vand $$\left( {\cot {\alpha _1}} \right).\left( {\cot {\alpha _2}} \right)....\left( {\cot {\alpha _n}} \right) = 1$$ is
A
$$1/{2^{n/2}}$$
B
$$1/{2^n}$$
C
$$1/2n\,$$
D
1
JEE Advanced Papers
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12