MCQ
Select the incorrect pair
- ACellulose $=$ Polymer of $\beta -D-$ Glucose
- ✓Sucrose $= \beta -D-$ Glucose and $\alpha -D-$ Fructose
- CLactose $= \beta -D-$ Galactose and $\beta -D-$ Glucose
- DStarch $=$ Polymer of $\alpha -D-$ Glucose
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(At. nos. $Cr = 24, Mn = 25, Fe = 26, Co = 27$)
Correct order of $pK _{ a }$ value is:
$A: \left[ Ni ( en )_{3}\right]^{2+}, B :\left[ Ni \left( NH _{3}\right)_{6}\right]^{2+}, C :\left[ Ni \left( H _{2} O \right)_{6}\right]^{2+}$