I am afraid you do not qualify for Bereavement Allowance as Widows Pension is now called not because you are working but because you have reached pensionable age.
My name is ***** ***** I shall do my best to help you
Yes you can claim your state pension been if you are still working - many do.
You can also work out what other benefits you may be entitled to using the calculator here
Please ask if you need further details